CA2945252C - Air conditioning and refrigeration system - Google Patents

Air conditioning and refrigeration system Download PDF

Info

Publication number
CA2945252C
CA2945252C CA2945252A CA2945252A CA2945252C CA 2945252 C CA2945252 C CA 2945252C CA 2945252 A CA2945252 A CA 2945252A CA 2945252 A CA2945252 A CA 2945252A CA 2945252 C CA2945252 C CA 2945252C
Authority
CA
Canada
Prior art keywords
refrigerant
heat exchanger
modulating valve
flash tank
evaporator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CA2945252A
Other languages
English (en)
French (fr)
Other versions
CA2945252A1 (en
Inventor
Augusto J. Pereira ZIMMERMANN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heatcraft Refrigeration Products LLC
Original Assignee
Heatcraft Refrigeration Products LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heatcraft Refrigeration Products LLC filed Critical Heatcraft Refrigeration Products LLC
Publication of CA2945252A1 publication Critical patent/CA2945252A1/en
Application granted granted Critical
Publication of CA2945252C publication Critical patent/CA2945252C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B7/00Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B5/00Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B5/00Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00Compression machines, plants or systems with non-reversible cycle
    • F25B1/10Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/04Refrigeration circuit bypassing means
    • F25B2400/0409Refrigeration circuit bypassing means for the evaporator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/07Details of compressors or related parts
    • F25B2400/075Details of compressors or related parts with parallel compressors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/13Economisers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/23Separators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/25Control of valves
    • F25B2600/2501Bypass valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19Pressures
    • F25B2700/197Pressures of the evaporator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21Temperatures
    • F25B2700/2104Temperatures of an indoor room or compartment
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21Temperatures
    • F25B2700/2117Temperatures of an evaporator

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Air Conditioning Control Device (AREA)
  • Air-Conditioning For Vehicles (AREA)
CA2945252A 2015-10-12 2016-10-11 Air conditioning and refrigeration system Active CA2945252C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/880,531 2015-10-12
US14/880,531 US9869492B2 (en) 2015-10-12 2015-10-12 Air conditioning and refrigeration system

Publications (2)

Publication Number Publication Date
CA2945252A1 CA2945252A1 (en) 2017-04-12
CA2945252C true CA2945252C (en) 2022-03-01

Family

ID=57130303

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2945252A Active CA2945252C (en) 2015-10-12 2016-10-11 Air conditioning and refrigeration system

Country Status (6)

Country Link
US (1) US9869492B2 (zh)
EP (1) EP3156742A1 (zh)
CN (1) CN106949654B (zh)
AU (1) AU2016238975A1 (zh)
BR (1) BR102016023695A2 (zh)
CA (1) CA2945252C (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10830499B2 (en) * 2017-03-21 2020-11-10 Heatcraft Refrigeration Products Llc Transcritical system with enhanced subcooling for high ambient temperature
US20190072299A1 (en) * 2017-09-06 2019-03-07 Heatcraft Refrigeration Products Llc Refrigeration system with integrated air conditioning by a high pressure expansion valve
CN109489289B (zh) * 2018-11-14 2020-02-18 珠海格力电器股份有限公司 复叠式空气调节系统
CN109827353A (zh) * 2018-12-25 2019-05-31 珠海格力电器股份有限公司 一种空调系统
US11473814B2 (en) 2019-05-13 2022-10-18 Heatcraft Refrigeration Products Llc Integrated cooling system with flooded air conditioning heat exchanger
CN110887265B (zh) * 2019-11-25 2021-01-12 珠海格力电器股份有限公司 内循环叠加热泵系统、控制方法及热泵烘干机
IT202000003019A1 (it) * 2020-02-14 2021-08-14 Epta Spa Sistema di refrigerazione a compressione di vapore e metodo di gestione di un tale sistema
US12007149B2 (en) 2021-08-20 2024-06-11 Carrier Corporation Expansion control system on a centrifugal chiller with an integral subcooler

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0540565A1 (en) * 1990-07-20 1993-05-12 Phoenix Energy Systems Inc. Heating and cooling system for air space in a building
US6931870B2 (en) * 2002-12-04 2005-08-23 Samsung Electronics Co., Ltd. Time division multi-cycle type cooling apparatus and method for controlling the same
DK200501574A (da) * 2005-11-11 2005-11-25 York Denmark Aps Defrost system
CN101688698B (zh) * 2007-05-14 2012-12-05 开利公司 带有闪蒸罐节约器的制冷剂蒸汽压缩系统
WO2009041959A1 (en) 2007-09-24 2009-04-02 Carrier Corporation Refrigerant system with bypass line and dedicated economized flow compression chamber
US8200917B2 (en) * 2007-09-26 2012-06-12 Qualcomm Incorporated Multi-media processor cache with cache line locking and unlocking
US8375741B2 (en) * 2007-12-26 2013-02-19 Carrier Corporation Refrigerant system with intercooler and liquid/vapor injection
WO2009091397A1 (en) * 2008-01-17 2009-07-23 Carrier Corporation Pressure relief in high pressure refrigeration system
EP2229562B1 (en) * 2008-01-17 2018-09-05 Carrier Corporation Carbon dioxide refrigerant vapor compression system
DK2417406T3 (en) * 2009-04-09 2019-04-23 Carrier Corp Coolant vapor compression system with hot gas bypass
WO2011049767A2 (en) * 2009-10-23 2011-04-28 Carrier Corporation Refrigerant vapor compression system operation
SG192704A1 (en) * 2011-02-14 2013-09-30 Carrier Corp Liquid vapor phase separation apparatus
CN103717981B (zh) * 2011-07-26 2016-08-17 开利公司 用于制冷系统的温度控制逻辑
US9869499B2 (en) * 2012-02-10 2018-01-16 Carrier Corporation Method for detection of loss of refrigerant
EP2906881A4 (en) 2012-05-11 2016-04-13 Hill Phoenix Inc CO2 REFRIGERATION SYSTEM HAVING AN INTEGRATED AIR CONDITIONING MODULE
KR102034582B1 (ko) 2012-07-24 2019-11-08 엘지전자 주식회사 냉동 사이클 및 냉동 사이클을 포함하는 냉장고
SG11201501310RA (en) * 2012-08-24 2015-04-29 Carrier Corp Transcritical refrigerant vapor compression system high side pressure control

Also Published As

Publication number Publication date
CN106949654A (zh) 2017-07-14
US9869492B2 (en) 2018-01-16
EP3156742A1 (en) 2017-04-19
US20170102169A1 (en) 2017-04-13
AU2016238975A1 (en) 2017-04-27
CA2945252A1 (en) 2017-04-12
CN106949654B (zh) 2019-12-06
BR102016023695A2 (pt) 2017-04-25

Similar Documents

Publication Publication Date Title
CA2945252C (en) Air conditioning and refrigeration system
CA2998632C (en) Transcritical system with enhanced subcooling for high ambient temperature
CA2989495C (en) Flash tank pressure control for transcritical system with ejector(s)
CN107077767B (zh) 自动售货机
US11255580B2 (en) Carbon dioxide cooling system with subcooling
US20220026117A1 (en) Carbon dioxide cooling system with subcooling
US10808975B2 (en) Cooling system
US11384961B2 (en) Cooling system
US8020391B2 (en) Refrigeration device control system
US20170038129A1 (en) Refrigerator and method of controlling the same
WO2016080275A1 (ja) 冷凍装置
CA2897081C (en) Transcritical r744 refrigeration system with gas cooler outlet vapors used as a heat source for the dehumidifying coil
US20120174604A1 (en) Refrigeration system with a distributor having a flow control mechanism and a method for controlling such a system
CA3057710A1 (en) Cooling system
WO2017006723A1 (ja) 冷凍装置
CA3058067A1 (en) Cooling system
KR102303804B1 (ko) 냉장 및 냉동 공조 시스템
KR101600935B1 (ko) 냉동차량에서의 냉동-냉방 시스템 제어 장치 및 방법
JP5412073B2 (ja) 熱源システムおよびその制御方法
JP2007085720A (ja) 冷凍システム
JP2015138329A (ja) 自動販売機

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20210916